Solve for n
n=0
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4n-1=-1
Combine n and 3n to get 4n.
4n=-1+1
Add 1 to both sides.
4n=0
Add -1 and 1 to get 0.
n=0
Product of two numbers is equal to 0 if at least one of them is 0. Since 4 is not equal to 0, n must be equal to 0.
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